Hublot Big Bang Unico Sapphire

With its case, bezel and back, cut from blocks of sapphire, the Big Bang Unico Sapphire (about $57,900) from Hublot takes transparency to an awe-inspiring new level, right down to its see-through strap. Typically reserved for one-of-a-kind models, sapphire cases are among the most challenging components to machine. That Hublot has created a collection of […]